User:FinnishPokéFan92/Anime Pokédex debuts

This is a list of the first times a Pokémon or another Pokémon-related subject received a Pokédex entry in the anime. Note that a couple Pokémon have never received a proper Pokédex entry, due to the Pokédex used not being able to recognize them.

Generation I

Pokémon		Episode	Source	Notes
	Bulbasaur	Bulbasaur and the Hidden Village	Ash's Pokédex	None
	Ivysaur	Bulbasaur's Mysterious Garden	Ash's Pokédex	None
	Venusaur	Bulbasaur's Mysterious Garden	Ash's Pokédex	None
	Charmander	Charmander – The Stray Pokémon	Ash's Pokédex	None
	Charmeleon	The March of the Exeggutor Squad	Ash's Pokédex	None
	Charizard	One Trick Phony!	Ash's Pokédex	Charizard's Dragon Rage received an entry before the Pokémon itself in Charizard Chills.
	Squirtle	Here Comes the Squirtle Squad	Ash's Pokédex	None
	Wartortle	Beach Blank-Out Blastoise	Ash's Pokédex	None
	Blastoise	Beach Blank-Out Blastoise	Ash's Pokédex	None
	Caterpie	Caterpie's Big Dilemma	May's Pokédex	None
	Metapod	Ash Catches a Pokémon	Ash's Pokédex	None
	Butterfree	Challenge of the Samurai	Ash's Pokédex	None
	Weedle	Challenge of the Samurai	Ash's Pokédex	None
	Kakuna	Challenge of the Samurai	Ash's Pokédex	None
	Beedrill	Challenge of the Samurai	Ash's Pokédex	None
	Pidgey	Pokémon - I Choose You!	Ash's Pokédex	The first Pokémon entry in the anime.
	Pidgeotto	Ash Catches a Pokémon	Ash's Pokédex	None
	Pidgeot	Pallet Party Panic	Ash's Pokédex	None
	Rattata	Pokémon - I Choose You!	Ash's Pokédex	None
	Raticate	To Top a Totem!	Rotom Pokédex	Combined entry with Rattata. 933 episodes between first appearance and first Pokédex entry.
	Spearow	Pokémon - I Choose You!	Ash's Pokédex	None
	Fearow	Pallet Party Panic	Ash's Pokédex	None
	Ekans	N/A	N/A	None
	Arbok	N/A	N/A	None
	Pikachu	Two Degrees of Separation!	Dawn's Pokédex	None
	Raichu	Electric Shock Showdown	Ash's Pokédex	None
	Sandshrew	Sandshrew's Locker!	Dawn's Pokédex	None
	Sandslash	To Master the Onixpected!	Ash's Pokédex	None
	Nidoran♀	Wherefore Art Thou, Pokémon?	Ash's Pokédex	None
	Nidorina	Wherefore Art Thou, Pokémon?	Ash's Pokédex	None
	Nidoqueen	The Bicker the Better	May's Pokédex	None
	Nidoran♂	Wherefore Art Thou, Pokémon?	Ash's Pokédex	None
	Nidorino	Wherefore Art Thou, Pokémon?	Ash's Pokédex	None
	Nidoking	The Bicker the Better	Ash's Pokédex	None
	Clefairy	Clefairy and the Moon Stone	Ash's Pokédex	None
	Clefable	Clefairy and the Moon Stone	Ash's Pokédex	None
	Vulpix	Pokémon Fashion Flash	Ash's Pokédex	None
	Ninetales	Riddle Me This	Ash's Pokédex	None
	Jigglypuff	The Song of Jigglypuff	Ash's Pokédex	None
	Wigglytuff	N/A	N/A	None
	Zubat	Clefairy and the Moon Stone	Ash's Pokédex	None
	Golbat	The Ninja Poké-Showdown	Ash's Pokédex	None
	Oddish	Bulbasaur and the Hidden Village	Ash's Pokédex	None
	Gloom	Pokémon Food Fight!	Ash's Pokédex	None
	Vileplume	Holy Matrimony!	Ash's Pokédex	None
	Paras	The Problem with Paras	Ash's Pokédex	None
	Parasect	The Problem with Paras	Ash's Pokédex	None
	Venonat	The Ninja Poké-Showdown	Ash's Pokédex	None
	Venomoth	The Ninja Poké-Showdown	Ash's Pokédex	None
	Diglett	Dig Those Diglett!	Ash's Pokédex	None
	Dugtrio	Dig Those Diglett!	Ash's Pokédex	None
	Meowth	Do I Hear a Ralts?	Ash's Pokédex	None
	Persian	Meloetta and the Undersea Temple!	Ash's Pokédex	738 episodes between first appearance and first Pokédex entry.
	Psyduck	Hypno's Naptime	Ash's Pokédex	None
	Golduck	Bye Bye Psyduck	Ash's Pokédex	None
	Mankey	Primeape Goes Bananas	Ash's Pokédex	None
	Primeape	Primeape Goes Bananas	Ash's Pokédex	None
	Growlithe	The Flame Pokémon-athon!	Ash's Pokédex	None
	Arcanine	The Stolen Stones!	Ash's Pokédex	None
	Poliwag	The Stun Spore Detour	Ash's Pokédex	None
	Poliwhirl	The Totodile Duel	Ash's Pokédex	None
	Poliwrath	Charizard Chills	Ash's Pokédex	None
	Abra	Abra and the Psychic Showdown	Ash's Pokédex	None
	Kadabra	Abra and the Psychic Showdown	Ash's Pokédex	None
	Alakazam	The Ancient Puzzle of Pokémopolis	Ash's Pokédex	None
	Machop	The Punchy Pokémon	Ash's Pokédex	None
	Machoke	A Triple Fighting Chance!	Dawn's Pokédex	None
	Machamp	N/A	N/A	None
	Bellsprout	N/A	N/A	None
	Weepinbell	The Green, Green Grass Types of Home!	Serena's Pokédex	None
	Victreebel	N/A	N/A	None
	Tentacool	Tentacool & Tentacruel	Ash's Pokédex	None
	Tentacruel	Tentacool & Tentacruel	Ash's Pokédex	None
	Geodude	The Winner by a Nosepass	May's Pokédex	None
	Graveler	N/A	N/A	None
	Golem	The Bridge Bike Gang	Ash's Pokédex	None
	Ponyta	The Flame Pokémon-athon!	Ash's Pokédex	None
	Rapidash	SM042	Rotom Pokédex	948 episodes between first appearance and first Pokédex entry.
	Slowpoke	The Evolution Solution	Ash's Pokédex	None
	Slowbro	Enlighten Up!	Ash's Pokédex	None
	Magnemite	Sparks Fly for Magnemite	Ash's Pokédex	None
	Magneton	Get Along, Little Pokémon	Ash's Pokédex	None
	Farfetch'd	So Near, Yet So Farfetch'd	Ash's Pokédex	None
	Doduo	Showdown at the Po-ké Corral	Ash's Pokédex	None
	Dodrio	The Flame Pokémon-athon!	Ash's Pokédex	None
	Seel	N/A	N/A	None
	Dewgong	The Misty Mermaid	Ash's Pokédex	None
	Grimer	Sparks Fly for Magnemite	Ash's Pokédex	None
	Muk	Sparks Fly for Magnemite	Ash's Pokédex	None
	Shellder	N/A	N/A	None
	Cloyster	The Bridge Bike Gang	Ash's Pokédex	None
	Gastly	The Ghost of Maiden's Peak	Ash's Pokédex	None
	Haunter	The Tower of Terror	Ash's Pokédex	Undetailed entry. First detailed entry in A Shipful of Shivers.
	Gengar	The Tower of Terror	Ash's Pokédex	Undetailed entry. First detailed entry in The Scheme Team.
	Onix	Shapes of Things to Come!	Dawn's Pokédex	None
	Drowzee	Hypno's Naptime	Ash's Pokédex	None
	Hypno	Hypno's Naptime	Ash's Pokédex	None
	Krabby	Mystery at the Lighthouse	Ash's Pokédex	None
	Kingler	The Battle of the Badge	Gary's Pokédex	None
	Voltorb	The Ninja Poké-Showdown	Ash's Pokédex	None
	Electrode	The Underground Round Up	Ash's Pokédex	None
	Exeggcute	The March of the Exeggutor Squad	Ash's Pokédex	None
	Exeggutor	The March of the Exeggutor Squad	Ash's Pokédex	None
	Cubone	Pikachu's Vacation	Dexter	Dub-exclusive narration.
	Marowak	Bad to the Bone	Ash's Pokédex	None
	Hitmonlee	Two Hits and a Miss	Ash's Pokédex	None
	Hitmonchan	The Punchy Pokémon	Ash's Pokédex	None
	Lickitung	Princess vs. Princess	Ash's Pokédex	None
	Koffing	Rocking the Virbank Gym! Part 1	Ash's Pokédex	None
	Weezing	N/A	N/A	None
	Rhyhorn	EP035	Ash's Pokédex	Japanese debut. English dub debut in In the Pink.
	Rhydon	Riddle Me This	Ash's Pokédex	None
	Chansey	The Brockster Is In!	Dawn's Pokédex	None
	Tangela	Pokémon Scent-sation!	Ash's Pokédex	None
	Kangaskhan	The Kangaskhan Kid	Ash's Pokédex	None
	Horsea	Tentacool & Tentacruel	Ash's Pokédex	None
	Seadra	Round One - Begin!	Ash's Pokédex	None
	Goldeen	N/A	N/A	None
	Seaking	The Great Eight Fate!	May's Pokédex	None
	Staryu	The Water Flowers of Cerulean City	Ash's Pokédex	None
	Starmie	N/A	N/A	None
	Mr. Mime	It's Mr. Mime Time	Ash's Pokédex	None
	Scyther	Showdown at Dark City	Ash's Pokédex	Combined entry with Electabuzz. First independent entry in Tracey Gets Bugged.
	Jynx	Holiday Hi-Jynx	Ash's Pokédex	None
	Electabuzz	Showdown at Dark City	Ash's Pokédex	Combined entry with Scyther. First independent entry in Current Events.
	Magmar	Riddle Me This	Ash's Pokédex	None
	Pinsir	Challenge of the Samurai	Ash's Pokédex	None
	Tauros	The Flame Pokémon-athon!	Ash's Pokédex	None
	Magikarp	Ya See We Want An Evolution!	Ash's Pokédex	None
	Gyarados	Pokémon Shipwreck	Ash's Pokédex	None
	Lapras	Holiday Hi-Jynx	Ash's Pokédex	None
	Ditto	Ditto's Mysterious Mansion	Ash's Pokédex	None
	Eevee	The Battling Eevee Brothers	Ash's Pokédex	None
	Vaporeon	On Olden Pond	May's Pokédex	None
	Jolteon	Get Along, Little Pokémon	Ash's Pokédex	None
	Flareon	A Fan with a Plan	May's Pokédex	None
	Porygon	N/A	N/A	Likely never going to get an entry due to the Porygon incident.
	Omanyte	Attack of the Prehistoric Pokémon	Ash's Pokédex	Combined entry with Omastar, Kabuto, and Kabutops. First independent entry in Fossil Fools.
	Omastar	Attack of the Prehistoric Pokémon	Ash's Pokédex	Combined entry with Omanyte, Kabuto, and Kabutops. First independent entry in Fossil Fools.
	Kabuto	Attack of the Prehistoric Pokémon	Ash's Pokédex	Combined entry with Omanyte, Omastar, and Kabutops. First independent entry in Shell Shock!.
	Kabutops	Attack of the Prehistoric Pokémon	Ash's Pokédex	Combined entry with Omanyte, Omastar, and Kabuto.
	Aerodactyl	Attack of the Prehistoric Pokémon	Ash's Pokédex	None
	Snorlax	Wake Up Snorlax!	Ash's Pokédex	None
	Articuno	Moving Pictures	Ash's Pokédex	Articuno itself doesn't appear in the episode.
	Zapdos	As Clear as Crystal	Ash's Pokédex	None
	Moltres	All Fired Up!	Ash's Pokédex	None
	Dratini	Beauty is Skin Deep	Ash's Pokédex	None
	Dragonair	EP035	Ash's Pokédex	Japanese debut. English dub debut in Beauty is Skin Deep.
	Dragonite	Hello, Pummelo!	Ash's Pokédex	None
	Mewtwo	The Battle of the Badge	Gary's Pokédex	Unknown Pokémon, no data could be provided.
	Mew	N/A	N/A	None
Pokémon scanned: 137/151 (~90.73%)

Non-Pokémon entries

Subject		Episode	Source	Notes
	Poké Ball	Pokémon - I Choose You!	Ash's Pokédex	First ever Pokédex entry in the anime.
	Catching Pokémon	Pokémon - I Choose You!	Ash's Pokédex	None
	Wild Pokémon	Pokémon - I Choose You!	Ash's Pokédex	None
	Dexter (purpose)	Pokémon Emergency!	Ash's Pokédex	None
	Ghost	The Tower of Terror	Ash's Pokédex	None
	Charmander's Rage	Primeape Goes Bananas	Ash's Pokédex	None
	Vulpix's Fire Spin	Pokémon Fashion Flash	Ash's Pokédex	None
	Scyther's Swords Dance	Tracey Gets Bugged	Ash's Pokédex	None
	Salveyo weed	The Stun Spore Detour	Ash's Pokédex	None
	Charizard's Dragon Rage	Charizard Chills	Ash's Pokédex	Incorrectly dubbed as "Rage".
	Sun Stone	Moving Pictures	Ash's Pokédex	None
	Aipom's Double Hit	Journey to the Unown!	Dawn's Pokédex	None
	Destiny Bond	Loading the Dex!	Rotom Pokédex	Destiny Bond isn't used in the episode.
Pokémon Center	Pokémon Center	First Catch in Alola, Ketchum-Style!	Rotom Pokédex	None
	Turtonator's Shell Smash	A Crowning Moment of Truth!	Rotom Pokédex	None